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Subject :NSO    Class : Class 7

The given figure represents the pattern of blood circulation in human body.

Select the incorrect statement regarding this.

AQ and P carry oxygenated blood whereas R and S carry deoxygenated blood.
BY represents right side of the heart, i.e., right atrium and right ventricle.
CP and S carry oxygenated blood whereas Q and R carry deoxygenated blood.
DX represents left side of the heart, i.e., left atrium and left ventricle.


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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
why not b??

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

A spoon is kept in contact with ice cubes for some time. Later, the same spoon was held over the flame of a small candle. The observation is shown in the figure.
What do you infer from the given figure?


A Spoon is an inflammable substance.
B Burning of candle is a spontaneous process.
C Carbon dioxide is a product of combustion.
D Water vapour is a product of combustion.


The correct answer is D . The combustion of Hydrocarbons produces water/water vapour .

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
all of these

Ans 2:

Class : Class 3
Speed post

Ans 3:

Class : Class 5
is all of these.

Ans 4:

Class : Class 3

Ans 5:

Class : Class 4
the question framed incorrectly. It should have been sending wedding card at the earliest

Ans 6:

Class : Class 3

Ans 7:

Class : Class 3

Ans 8:

Class : Class 3
the answer seems incorrect. One can send an invitation through all of the available resources. However, if one wants to send invitation speedily, then the option of Speed Post would be more correct.

Ans 9:

Class : Class 4
speed post

Ans 10:

Class : Class 7

Ans 11:

Class : Class 2
option a speed post

Ans 12:

Class : Class 4

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

Subhi, a class 6 student grouped together a few changes occurring around us as:
Group 1 : Blooming of flowers, breaking of glass, vaporisation of water, sawing of wood
Group 2 : Tides in the ocean, motion of a swing, landslides, occurrence of day and night
Group 3 : Rusting, germination of seeds, burning of fire crackers, growth of a child
Group 4 : Making a paper boat, blowing air into balloon, baking a roti, heating an iron rod
Select the odd one in each group and mention the property which makes it odd.

  Group 1 Group 2 Group 3 Group 4
A Blooming
of flowers
(Physical
change)
Tides in
the ocean
(Periodic
change)
Rusting
(Chemical
change)
Making a
paper boat
(Physical
change)
B Breaking
of glass
(Irreversible
change)
Occurrence
of day
and night
(Natural
change)
Germination
of seeds
(Irreversible
change)
Blowing
air into
balloon
(Reversible
change)
C Sawing
of wood
(Physical
change)
Motion of
a swing
(Periodic
change)
Growth
of a child
(Irreversible
change)
Heating an
iron rod
(Chemical
change)
D Vaporisation
of water
(Reversible
change)
Landslides
(Nonperiodic
change)
Burning of
fire crackers
(Fast
change)
Baking
a roti
(Chemical
change)


Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
answer should be C

Ans 3:

Class : Class 6
Question is not properly framed

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
None of these

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 3

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